This is a brain teaser. In fact, as long as it is not a plant, you can't eat it.
Brainstorming covers a wide range: educational, funny, mathematical, adult and so on. Brainstorming is a kind of entertainment and a popular word game.
The riddle about melons:
Guess one
1, riddle: wearing green clothes, watery belly, many children, all black faces.
2, confused: hit a fruit.
3. answer: watermelon.
Guess 2
1, riddle: It's green when you don't eat it, red when you eat it, and black when you spit it out.
2, confused: hit a fruit.
3. answer: watermelon.